Fresh evidence of the pay deals on offer in the City has emerged, with the biggest US bank, JPMorgan Chase & Co, revealing it gave more than 100 of its top staff in London an average of £2m each in 2012.

Fresh evidence of the pay deals on offer in the City has emerged, with the biggest US bank, JPMorgan Chase & Co, revealing it gave more than 100 of its top staff in London an average of £2m each in 2012.